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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 400 · 40 questions
TalentJR

Remember (What comes out?): Sources give electricity: cells, batteries, solar panels, generators, dynamos, power stations. Appliances use it and change it: light (torch, tube light), heat (iron, kettle, toaster), movement (fan, mixer, drill), sound (doorbell, buzzer, speaker). Ask: what comes out when it works? That is the energy it mainly gives.

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  1. 1.🔍 Which is the odd one out? (a) a loudspeaker (b) a buzzer (c) a doorbell (d) a ceiling fan
  2. 2.Which of these gives us electricity? (a) an air conditioner (b) a cell (c) a computer (d) a washing machine
  3. 3.🔍 Which is the odd one out? (a) a siren (b) a school bell (c) a tube light (d) a buzzer
  4. 4.Which of these mainly makes movement? (a) a street light (b) a room heater (c) a water heater (d) an electric toy car
  5. 5.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  6. 6.Which of these gives us electricity? (a) a solar panel (b) a television (c) an air conditioner (d) a computer
  7. 7.Which of these mainly gives out light? (a) an electric drill (b) a rice cooker (c) a doorbell (d) a torch
  8. 8.Which of these gives us electricity? (a) an air conditioner (b) a generator (c) a water pump (d) a washing machine
  9. 9.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  10. 10.True or false: an electric drill mainly makes movement. (a) False (b) True
  11. 11.Which of these mainly makes sound? (a) a ceiling fan (b) a night lamp (c) an electric drill (d) a siren
  12. 12.🔍 Which is the odd one out? (a) a buzzer (b) a loudspeaker (c) a siren (d) an LED lamp
  13. 13.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  14. 14.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.🔍 Which is the odd one out? (a) a water heater (b) a rice cooker (c) a room heater (d) a mixer grinder
  16. 16.Which of these mainly makes sound? (a) an electric kettle (b) an electric toy car (c) a loudspeaker (d) a night lamp
  17. 17.Which of these mainly makes movement? (a) an LED lamp (b) a tube light (c) a school bell (d) a mixer grinder
  18. 18.True or false: a tube light mainly gives out heat. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) an LED lamp (b) a room heater (c) a torch (d) a night lamp
  20. 20.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  21. 21.Which of these gives us electricity? (a) an air conditioner (b) a battery (c) a mobile phone (d) a water pump
  22. 22.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) dust particles (d) electrons
  23. 23.True or false: a table fan mainly gives out light. (a) False (b) True
  24. 24.Which of these uses electricity? (a) a battery (b) a washing machine (c) a wind turbine (d) a generator
  25. 25.⚡ What does a tube light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  26. 26.Which of these mainly makes movement? (a) an LED lamp (b) an exhaust fan (c) a rice cooker (d) a loudspeaker
  27. 27.🔍 Which is the odd one out? (a) a tube light (b) a doorbell (c) a traffic signal (d) a night lamp
  28. 28.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric drill (c) a night lamp (d) an exhaust fan
  29. 29.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  30. 30.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.⚡ What does a siren mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  32. 32.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.🔍 Which is the odd one out? (a) an electric drill (b) a buzzer (c) a siren (d) a doorbell
  34. 34.True or false: a traffic signal mainly gives out light. (a) True (b) False
  35. 35.Which of these mainly gives out heat? (a) an electric toy car (b) a rice cooker (c) a mixer grinder (d) a buzzer
  36. 36.Which of these mainly makes sound? (a) a toaster (b) an electric iron (c) a mixer grinder (d) a school bell
  37. 37.Which of these gives us electricity? (a) a refrigerator (b) a power station (c) a washing machine (d) a mobile phone
  38. 38.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) electrical energy (c) nuclear energy (d) sound energy
  39. 39.Which of these gives us electricity? (a) an air conditioner (b) a refrigerator (c) a bicycle dynamo (d) a computer
  40. 40.⚡ What does a doorbell mainly change electricity into? (a) heat (b) sound (c) movement (d) light

Answer key

  1. a ceiling fan
  2. a cell
  3. a tube light
  4. an electric toy car
  5. movement
  6. a solar panel
  7. a torch
  8. a generator
  9. heat
  10. True
  11. a siren
  12. an LED lamp
  13. movement energy
  14. gives electricity
  15. a mixer grinder
  16. a loudspeaker
  17. a mixer grinder
  18. False
  19. a room heater
  20. False
  21. a battery
  22. electrons
  23. False
  24. a washing machine
  25. light
  26. an exhaust fan
  27. a doorbell
  28. a night lamp
  29. heat
  30. uses electricity
  31. sound
  32. gives electricity
  33. an electric drill
  34. True
  35. a rice cooker
  36. a school bell
  37. a power station
  38. electrical energy
  39. a bicycle dynamo
  40. sound

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